LS, GMP, 5.7, HEAD BOLTS, 1 HEAD V8 you must purchase Pro Feature

you must purchase Pro Feature Set to be able to use a PROLINK+ cable

x1 K&N Performance Air Intake

You may also require a slightly longer drive belt

Lifetime Warranty

K&N 99-0640 is a 5 US gallon container of Power Kleen air filter cleaner

LS, GMP, 5.7, HEAD BOLTS, 1 HEAD V8 you must purchase Pro FeatureGM Performance Head Bolt set suit staggered bolt style LS1's Genuine replacement head bolts for use in LS engines that require staggered bolt lengths found in pre September 2003 Vehicles. For LS1 LS6's that require all same length head bolts, post September 2003 please go here **Please note these are Sold Individually 2x required to do 1 Engine**